Hide-working machine.



B.. F. WHITNEY. HIDE WORKING MAQPHNB.l y APPLIoATloN FILED IANA, 1907.

900,334.' A y Patented oct. 6,1908.

4 SHEETS-SHEET 1.

INVENTOR.

HTT'Y.

ma Nmems PErERs co., vusmnarorv, D. c

R, F. WHITNEY. yHIDE WORKINGMAGBINE. APPLIUATION FILED MNA. 11907.

900,334. I Patented oct. 6, 1908.

4 SHEETS-SHEET 2` WlTNEssEs: INVENTOR. @4MM ATT'Y.

fn: NaRRlsfsrERs co., wAsmNaroN, nA c.

R. F. WHITNEY. HIDE WORKING MAGHINE. APPLIOATION FILB'D JAN. 4, 1907.

' Patentea-` oct. 6, 190s.

4 SHEETS-SHEET 4.

1N VEN TOR WlTNL-:ssss: I

1HE NaRRls pzn'ks co., wAsmNa-wxv. n. c.

UNITED STATES PATENT OFFICE.

ROBERT F.

WHITNEY, `or WINCHESTER, MASSACHUSETTS, ASsIeNoR oF ONE-HALF To ARTHUR E. WHITNEY, or wINoHESTnR, MASSACHUSETTS. Y

HIDE-WORKING MACHINE.

l No. 900,334.

Specification of Letters Patent.

' Patented ont. e, 190s.

Applies@ mea January A, 1907. seria No. 350,793.

To all whom it may concern.' A i Be it known that I, ROBERT F. `WHITNEY, a citizen of the United States,` and resident of Winchester, in the county oli- Middlesex and State of Massachusetts, have invented certain new and useful Im rovements in Hide-Working Machines, of W ich the following is a specification. I

This invention relatesl to machines for eshing, unhairing vand working hides` and its object is to secure a machine having a smooth and positive action and with its rolls so arranged as to securela wide opening for feeding the hide. I

The invention is illustrated by the accompanying drawings in which- Figure 1 is an elevation of the left end of the, machine in operative position. Fig. 2 is an elevation of the right end of the machine in inoperative position. Fig. 3 is a to plan View of the machine ino erative position, with portions of the rolls cut away.

Fig 4 isa diagram of certain parts in operative position. Fig.` 5 is a, diagram ofthe same parts in inoperative position.

Similar characters refer to similar parts throughout the several drawings. j

The main frame of the machine `consists of the side frames 1 connected by the ties 2. The work roll 3 is mounted on the sh aft 4 journaled in suitable bearings 5 in the frameand provided with o erating blades 6. 1 The bed roll 7 ismounte on the shaft 8 journaled in suitable bearings in the free ends 9 `ofthe swinging arms 1() rotatably mounted on the studs 11 xed to the frame. The front feed roll 12, which I call the` pinchrolL is mounted on the shaft`13,which"issuitably journaled in movable boxes 14,'and also in the swinging arms 19. These boxes 14 are provided with the rods 15 and 15a, ycontrolled y the springs 18, adjustably arrangedand adapted to slide back andf'orth in swinging frames 16 rotatably' mounted on theystuds 17 fixed to the frame 1. The swinging arms 19 are pivoted at 20 to the swinging arms 10. The back feed roll 22, which I call the ,feed rol is mountedupon theshaft28 'journaled in suitable bearings 24 in theswingingarms 25 rotatably pivoted at 26 to the swinging arms 27 rotatably mounted on the studs 28 fixed to the frame. lhe threaded rods 29 are pivoted at 30 to the swinging arms 25 and extend through the upper end of the swinging arms 27 in sliding contact therewith and nuts 46. justable nuts 47 between which and lugs` 44 are `adjustably arranged the s rings 48 adapted to be compressed by the ownward on said rods are adjustably mounted the controlling s rings 31.. .These two feed rolls, or

pinch an feed roll, 12 and 22, are mechanicjoints 35),co,mp rising the links 36 pivoted to said swinging arms at 37 and the links 38 pivoted at `39 to the rocker arms 40, said rocker arms being pivoted at 41 to the frame. The rods 42 are plvoted at 43 to the rocker 7 arms 40 and extend downwardly through the lugs 44' on the frame and upon their lower ends are screwed the nuts 45 which engage said lugs and` limit the upward movement of said rods and are heldin place by the check These rods are furnished with admovementof said rods and to react to raise them. The arrangement of the springs 18 and 31 `is similar'to that 'ust described.

The shafts' 49, hereina ter more fully described, have fixed to `their outer end the `short arms' 50 which'encircle the rods 42 between and engaging the lugs 44 and the nuts Rigidly fixed -to the shaft 49 are the treadles 51 by depressing which the operator lowers `said rods 42. The downward movement of the treadles 51 is limited by the set screws52 in the ears 53 of the arms 5() arranged to contact with the lugs 44. The longitudinally adjustable crank rods 54 are pivoted at their upper end to the togglejoints 35 and at their lower end to the crank pins 55 carried by the cranks' 56 and 56a fixed to the rotary crank shaft 57 mounted in the frame, the crank 56 having a gear 58. From the left ofthe frame is projected a bracket 59 in which is mounted the rotary shaft 61. The fixed stud 62 is also projected from the frame.

'u The operating mechanism comprises the following gears and pulleys.:v The work roll shaft 4 has fixed to its right end the pulley 64 driven bythe belt 65 and is driven by said pulley independently of all the other mechanism of the machine; the pulley 66 is fixed to the shaft 61 and is driven by the belt 67 the pinch roll 1-2 has fixed to its right end the gear 68 the feed roll 22 has fixed to its right end the gear 69 which has a wide face to engage the two gears 68 and 71; the bed roll 7 has fixed to its right end the gear 71 and to its left end the gear 72; on the shaft 61 are fixed the sprocket 73 and the gear 74; the sprocket 73 is connected by the chain 75 with the sprocket 76 which is rotatably mounted on the stud 62 and carries the driving member 7 6a of a clutch, the driven member of which clutch is arranged loosely on said stud 62 and carries the gear 77 ada ted to engage the gear 58 of the crank 56. T is clutch may be of any description with suitable means for throwing the clutch members into and out of engagement. rThe drawings (Fig. 1) show a clutch operated by a weighted lever 79 pivoted at 8O to the frame and raised by depressing the treadle 81 which is loosely mounted on the crank shaft 57 and connected to said lever 79 by the chain 82 which asses over guide pulleys 83 mounted in the -rame; but any form of clutch or any other means may be used to rotate the crank 56.

The clutch is not described fully as it forms no part of this invention but it indicates a clutch for which I have filed an application for Letters Patent of the United States so constructed and arranged that when the operator depresses the treadle 81 the driven member of the clutch engages the driving member rotating the crank shaft 57 as described. If the operators foot is removed from the treadle, the weighted lever 79 automatically disengages the clutch when the crank is in the positions shown in Fig. 1 and Fig. 2, the operating rolls remaining together, or separated, until the operator again depresses the treadle. The crankshaft gear 58 makes one half a revolution to one revolution of the clutch gear 77.

The shafts 49 have their outer end journaled in the frame 1 and their inner end journaled in the common bearing 84 fixed to the floor, or otherwise suitably mounted, and may be each independently operated by the relief treadles 51 fixed to said shafts.

The rolls are spring-controlled as shown to enable them to meet and adapt themselves to the inequalities of the hide, a provision common in these machines. But in addition to this usual provision I have provided the additional relief treadles, which enable the operator to move either end of said bed roll from said work roll by depressing one or the other of said treadles as may be desired. This double relief treadle is simply a modification of the single relief treadle shown and described in the patent to me dated August 2s, 1906, No. 829,613.

The operation of the machine is as follows: The belts are set in motion and rotate the work roll shaft 4 sprocket 73 and gear 74 on shaft 61 and sprocket 76 on shaft 63. The operator adjusts the hide (Fig. 5) and depresses treadle 81 thereby engaging the clutch members, rotating crank 56 and bringing bed roll, feed roll and pinch roll into operative position (Fig. 4); gear 72 into engagement with gear 7 4; gear 71 into engagement with gear 69; and gear 68 into engagement with gear 69 rotating the several rolls in the direction indicated by the arrows (Fig. 4) and the hide is carried between the rolls and operated upon by the work roll. lhfhen the rolls come into engagement, the operator disengages the clutch, or preferably the clutch is disengaged automatically by any suitable means, as by the arrangement indicated. Vivhen the hide has been operated upon, the operator again engages the clutch members by depressing the treadle thus rotating the crank and carrying the rolls into the original inoperative position shown in Fig. 5.

From Fig. 4 it will be seen that in the operative position the following parts are in alinement: crank shaft 57, crank pin 55 and toggle joint 35; stud 11, pivot 20 and shaft 13; shaft 23, shaft 13 and stud 17; shaft 23, stud 28 and pivot 34, pivot 34, pivot 33 and stud 17; pivot 37, toggle joint 35 and pivot 39; stud 11, pivot 37, shaft 8, shaft 23, stud 28 and pivot 34. By this arrangement of the parts the normal pressure exerted by the hide as it is being fed and the extra pressure caused by inequalities in the hide are exerted almost entirely along the lines joining the shafts of the several swinging rolls with their respective fulcra or studs 1.1, 17 and 28, and when these rolls are locked in operative position by means of the toggles and cranks, as shown and described, the pressures are all in the direction of one or more of the alinements pointed out above and as a result the action of the machine is more positive, smoother and stronger than in any prior machines. By swinging the several rolls as shown and described, namely, the pinch roll and the bed roll downwardly and forwardly (toward the front of the machine) and the feed roll upwardly and backwardly, a large opening is obtained for inserting the hide. Another advantage of this arrangement is that the feed roll helps to counterbalance the weight of the pinch roll and bed roll.

The drawings show the rolls with their shafts journaled in bearings mounted in swinging arms but suoli shafts may be journaled in bearings mounted in guideways and movable therein by swinging arms or their equivalents; and I claim broadly the combination of rolls whose shafts are journaled in movable boxes with means for moving such boxes in certain directions, thereby bringing such rolls together or separating them.

Having described my invention what I claim and desire to secure by Letters Patent is:

1, A hide working machine comprising the frame 1 and mountedthereonthe work roll 3, bed roll 7 mounted in swinging arms 10 pivoted to said frame, pinch roll 12 mounted 1n swinging frames16 pivoted to said frame 1 and in swinging arms 19 pivoted 'to said swinging arms 10, and feed roll 22 mounted in swinging arms 25 pivoted to swinging arms 27 pivoted` to said frame 1 and connected by links 32 with said swinging frames 16, with means for rotating the swinging arms of the bed roll about `their axes and thereby bringing the rolls into and out of operative position; substantially as described. y

2. A hide working machine comprising the frame 1 and mounted thereon the work roll 3, bed roll 7 mounted in swinging arms 10 pivoted to said frame, pinch roll 12 mounted 1n swinging frames 16 pivoted to said frame 1 and in swinging arms 19 pivoted to ksaid swinging arms 10, and feed roll 22 mounted in swinging arms 25 pivoted to swinging arms 27 pivoted to said frame 1 and connected by links32 with said swinging frames 16, one or more of said rolls being` spring controlled,

such controlling springs, withv means forl rotating the swinglng arms of the bed roll about their axes and therebybringing the rolls into and out of o erative position; substantially as described.

3. A hide working machine com rising a frame and mounted thereon a wor roll, a bed roll mounted in swinging arms pivoted to said frame, a pinch roll mounted in swinging arms pivoted to the swinging arms of the bed roll and a feed roll mounted in swinging arms pivoted to the frame and connected by links with the swinging arms ofthe pinch roll, with means for rotating the swinging arms of the bed roll about their axes and thereby bringing the rolls into and out of operative position; substantially as described.

4. A hide working machine com rising a frameand mounted thereon a worr roll, a bed roll mounted in swinging arms pivoted to said frame, a inch roll mounted in swinging arms pivote to the swinging arms of the bed roll and a feed roll mounted in swinging arms pivoted to the frame and connected by links with the swinging arms ofthe pinch roll, one or more of saidv rolls being springcontrolled, such controlling springs, with means for moving the swinging arms of the bed roll about their aXes and therebybringing the rolls into and out of operative posltion; substantially as described.

5. A hide working machine com rising a frame and mounted thereon a wor roll, a bed roll mounted thereon 1n bearmgs movable to and away from the work roll, a feed roll mounted thereon in bearings movable to and away from said bed roll and a inch roll mounted thereon in bearings mova le to and away` from said feed roll with means for moving said bed roll to and away from said work roll thereby through intermediate mechanism bringing the rolls into and out of operative position, together with such intermediate mechanism; substantially as described.

6. A hide working machine com rising a frame and mounted thereon a wor roll, a bed roll mounted thereon in bearings movable to and away from thel work roll, a feed roll mounted thereon in bearings movable to and away from said bed roll and a inch roll mounted thereon in bearings mova le to and away from said feed roll, one or more of said rolls being spring-controlled, such controlling springs, with means for moving said bed roll to and away from said work roll thereby through intermediate mechanism bringing the rolls into and out of operative position, together with such intermediate mechanism; substantially as described. v

7. A hide working machine comprising a frame and mounted thereon a work roll, a Abed roll mounted in swinging arms pivoted to said frame, one or more feed rolls mounted thereon, one of said feed rolls being mounted in swinging arms ivoted to the swinging arms of the bed rolllwith means for rotating the swinging arms of the bed roll about their aXes and thereby through intermediate mechanism bringing the rolls into and out of operative position, together with such intermediate mechanism; substantially as described. 8. A hide working machine comprising a frame and mounted thereon a work roll, a bed roll mounted in swinging arms pivoted to said frame, ,one or more feed rolls mounted thereon, one of said feed rolls being mounted in swinging arms pivoted to the swinging Y arms of the bed roll, one or more of said rolls being spring-controlled, such controlling springs, with means for rotating the swinging arms of the bed roll about their aXes and thereby through intermediate mechanism bringing` the rolls into and out of operative position, together with `such intermediate -mechanism; substantially as described.

In testimony whereof I have affixed my signature, in presence of two witnesses.

ROBERT F. WHITNEY.

Witnesses: Y

RALPH W. FOSTER, HELEN M. DEARBORN. 

